Product image of Itulazax (Betula Verrucosa (108)) supplied by GNH India

Itulazax

Active Ingredient:
Betula Verrucosa (108)
Origin:
EU

Itulazax (Betula Verrucosa (108))

Betula verrucosa, the active ingredient in Itulazax, is an allergen extract presented as a sublingual formulation for sublingual use. It is employed to treat allergic rhinitis and allergic conjunctivitis caused by birch (Betula) pollen in sensitised individuals. The product is manufactured according to EU standards and is prescribed by healthcare professionals.

GNH India supplies Itulazax as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, adhering to Good Distribution Practice to ensure product integrity across global supply chains.

Manufacturer / TM Owner

Alk-Abello A/S

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Indications & Clinical Uses

Itulazax is used in allergy immunotherapy to address birch pollen‑induced conditions.

  • Allergic rhinitis: reduces nasal congestion, sneezing and itching, improving daily function.
  • Allergic conjunctivitis: alleviates eye itching, redness and tearing associated with birch pollen exposure.
  • Seasonal birch pollen allergy: promotes long‑term immune tolerance, decreasing symptom severity over time.

How It Works

  • Itulazax delivers standardized Betula verrucosa extract sublingually, providing repeated low‑dose exposure to the birch allergen. This exposure induces immune tolerance by shifting the response from an IgE‑mediated pathway toward a regulatory phenotype, increasing allergen‑specific IgG4 and regulatory T‑cell activity while suppressing Th2‑driven inflammation. The process modulates cytokine production, reducing histamine release upon natural pollen contact.

Side Effects

Sublingual administration of Itulazax may be associated with local and systemic reactions.

Common Side Effects

  • Oral itching or mild throat irritation.
  • Mild gastrointestinal discomfort such as nausea.
  • Transient swelling of the lips or tongue.
  • Localized nasal irritation.

Serious or Rare Side Effects

  • Anaphylaxis, a severe systemic allergic reaction requiring immediate medical attention.
  • Severe asthma exacerbation triggered by the extract.
  • Cardiovascular collapse or hypotension in rare cases.

Precautions & Warnings

Prior to initiating Itulazax therapy, clinicians should consider several safety measures.

  • Sensitivity assessment: confirm birch pollen IgE sensitisation through skin testing or specific IgE measurement.
  • Medical supervision: administer first dose under physician observation to monitor for systemic reactions.
  • Asthma control: avoid use in patients with uncontrolled asthma or recent severe exacerbations.
  • Concomitant medications: evaluate beta‑blocker use, as it may mask anaphylaxis signs.
  • Pregnancy and lactation: prescribe only if benefit outweighs potential risk, due to limited data.
  • Store at room temperature: keep in original container, protect from moisture and direct sunlight.

Avoid Interactions

Itulazax can interact with certain medications, influencing safety or efficacy.

Major Interactions (Avoid)

  • Beta‑blockers: may blunt response to epinephrine during anaphylaxis.
  • ACE inhibitors: increase risk of severe angio‑edema when combined with allergen exposure.
  • Immunosuppressants: may reduce the immunomodulatory effect of the extract.

Moderate Interactions (Monitor Closely)

  • Antihistamines: may lessen local oral side effects but do not prevent systemic reactions.
  • Corticosteroids: concurrent use may alter immune response, requiring dose adjustment.

Frequently Asked Questions

Itulazax is a prescription allergen extract containing Betula verrucosa, indicated for sublingual immunotherapy of allergic rhinitis and allergic conjunctivitis triggered by birch pollen in sensitised patients. The therapy aims to reduce nasal and ocular symptoms while promoting long‑term immune tolerance to the birch allergen.

Betula verrucosa in Itulazax provides repeated low‑dose exposure to the birch pollen allergen via the sublingual route. This exposure shifts the immune response from an IgE‑driven pathway toward a regulatory phenotype, increasing allergen‑specific IgG4 and regulatory T‑cell activity, which together diminish allergic inflammation and symptom severity.

The dosage regimen for Itulazax is determined individually by a qualified healthcare professional based on the patient’s sensitivity, age, and clinical response. Prescribers follow established sublingual immunotherapy protocols and adjust the dose according to tolerance and therapeutic goals.

Safety data for Itulazax in pregnancy and lactation are limited. It should only be prescribed when the potential benefit to the mother outweighs any possible risk to the fetus or infant, and the decision should be made in consultation with a obstetrician or specialist.

To request Itulazax, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams across international markets, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including cold‑chain if required) and necessary import documentation.

Itulazax offers a sublingual route, allowing home‑based administration under medical supervision, whereas many alternatives are subcutaneous injections requiring clinic visits. Both approaches aim to induce tolerance, but sublingual therapy may have a lower risk of systemic reactions and greater patient convenience, though individual response varies.

Itulazax should be stored at room temperature, below 25 °C, in its original packaging. Protect the product from moisture, direct sunlight, and extreme temperature fluctuations to maintain potency. Do not refrigerate unless specifically instructed on the label.

Itulazax is administered sublingually. The patient places the prescribed dose under the tongue and holds it for the recommended time before swallowing, typically without water. Initial doses are given under medical supervision to monitor for any immediate reactions.

The most serious risks include systemic allergic reactions such as anaphylaxis, severe asthma exacerbations, and rare cardiovascular events like hypotension. Patients should be observed after the first dose and instructed to seek emergency care if they experience symptoms such as difficulty breathing, swelling of the throat, or a rapid drop in blood pressure.

Itulazax is contraindicated in individuals with a history of severe systemic reactions to birch pollen extracts, uncontrolled asthma, or those receiving beta‑blocker therapy that could mask anaphylaxis. It should also be avoided in patients with known hypersensitivity to any component of the formulation.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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